Re: pro- foreign key propaganda?
Date: Fri, 23 May 2008 16:33:03 -0300
Message-ID: <48371bef$0$4064$9a566e8b_at_news.aliant.net>
David Cressey wrote:
A good metric, like ROA, reflects the goal.
Received on Fri May 23 2008 - 21:33:03 CEST
> "Bob Badour" <bbadour_at_pei.sympatico.ca> wrote in message
> news:4836f382$0$4031$9a566e8b_at_news.aliant.net...
>
>>David Cressey wrote:
>>
>>>"paul c" <toledobysea_at_ac.ooyah> wrote in message
>>>news:5RzZj.289321$pM4.276671_at_pd7urf1no...
>>>
>>>>David Cressey wrote:
>>>>...
>>>>
>>>>>This may be true. But with regard to the value of data in databases, and
>>>>>the return on the effort involved in building, maintaining, and accessing
>>>>>them, you can't separate meaning from purpose. And you can't separate
>>>>>purpose from outcome. Call me a mystic, if you must.
>>>>>
>>>>>If poetry includes Homer's Iliad, there is quite a bit of mechanics
>>>>>involved in the making of it.
>>>>
>>>>I don't argue with that and from what you've said I wouldn't call you a
>>>>mystic. I was scoffing at the penchant for looking for meaning in a
>>>>data design where none was intended. If one doesn't know the intended
>>>>interpretation, it is a mug's game to guess at it, the design is only
>>>>capable of restricting some of the possible intentions.
>>>>
>>>>(I'd say the mechanics of poetry aren't part of what you call the rdm.)
>>>
>>>Agreed. I just don't want poetry to be relegated to the domain ofmystics,
>>>and databases to be relegated to the domain of mechanics. Mechanics are
>>>important to doing things right, no matter what you're doing. Doing things
>>>right is kind of a waste, if you're not doing the right thing. And figuring
>>>out what the right thing is can seem downright mystical. At least, soit
>>>seems to me.
>>
>>I think it only seems that way before one knows what metrics to use.
>>Once one understands what to measure, everything becomes much more
>>mechanical.
>
> Well, how do you tell a good metric from a bad one?